*{
    margin: 0px;
    padding: 0px;
}

#outer{
    width: 32em;
    height: 21em;
    margin: 0 auto;
    /*background-color: #bfa;*/
    padding: 10px 0;
    position: relative;
    overflow: hidden;
}

#imgList{
    list-style: none;
    position: absolute; 
}

#imgList li{
    float: left;
    margin: 0 10px;
}

#navDiv{
    position: absolute;
    bottom: 15px;
}
#navDiv a{
    float: left;
    width: 15px;
    height: 15px;
    background-color: red;
    margin: 0 5px;
    opacity: 0.5;
    filter: alpha(opacity=50); 
}

#navDiv a:hover{
    background-color: black;
}
#zuo{
    display: flex;
    text-align:left;
}